Amazon (AMZN +0.47%) and Alphabet (GOOG -1.78%) (GOOGL -1.72%) are two companies that hardly need an introduction. Both are leaders in their respective industries, generally post excellent financial results, and have crushed broader equities over the long run. Investors arguably can't go wrong with either of these, and I personally own shares of both. But if I had to pick just one to own for the next decade, it would likely be Alphabet. Here's why. The AI tailwind could favor Alphabet Over the next 10 years ...